P’ Arin
✨ นายกฤติน กลิ่นแก้ว
<html> <head> <title>Let's Start</title> <style> body { background: #eee; margin: 1em; font-family: sans-serif; } </style> </head> <body> <h1>Hello <span id="title">Guest<span></h1> <input id="uname" value="Test" /> <button id="change" onclick="changeTitle()">OK Go Go</button> <script> function changeTitle() { document.getElementById("title").innerHTML = document.getElementById( "uname" ).value; } </script> </body> </html>